Home / 11,959.04-16,504.56-8,969.54

Finding the Fourth Proportional to 11,959.04, 16,504.56 and 8,969.54

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Solution

The fourth proportional to 11,959.04, 16,504.56 and 8,969.54 is: 12,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.04 : 16,504.56 = 8,969.54 : x
  2. Step 2: Convert to fraction form
    11,959.04/16,504.56 = 8,969.54/x
  3. Step 3: Cross multiply
    11,959.04x = 16,504.56 × 8,969.54
  4. Step 4: Simplify right side
    11,959.04x = 148,038,228.58
  5. Step 5: Solve for x
    x = 148,038,228.58/11,959.04
  6. Step 6: Final answer
    x = 12,378.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.